package com.killLog.mapper;

import com.killLog.entity.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.Map;

@Mapper
public interface UserMapper {
    /*根据openid查询用户*/
    @Select("select * from user where openid=#{openid}")
    User getByOpenid(String openid);

    /*插入数据：注册新用户*/
    void insert(User user);

    /**
     * 查询当前用户id
     * @param userId
     * @return
     */
    @Select("select * from user where id=#{id}")
    User getById(Long userId);

    /**
     * 根据动态条件统计用户数量
     * @param map
     * @return
     */
    Integer cuntByMap(Map map);
}
